crng_backtrack_protect 1146 drivers/char/random.c 	crng_backtrack_protect(tmp, i);
crng_backtrack_protect 1720 drivers/char/random.c 		crng_backtrack_protect(tmp, nbytes);
crng_backtrack_protect 1722 drivers/char/random.c 		crng_backtrack_protect(tmp, CHACHA_BLOCK_SIZE);